Process for recovering molybdenum from solution in a form that is substantially free from vanadium
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United States of America Patent
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Mar 21, 1989
Grant Date -
N/A
app pub date -
Oct 3, 1986
filing date -
Oct 3, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is a process for selectively precipitating molybdenum in a form that is substantially free from vanadium impurities. The molybdenum is precipitated in the form of ammonium octamolybdate which has a molybdenum to vanadium ratio of about 400:1 in an initial crystallization and a ratio of about 1300:1 in a subsequent recrystallization.
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